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72. IF THE SOLUBILITY OF LITHIUM SODIUM HEXEAFLUORO ALUMINATE Li3Na3(AlF6) 2 IS 'S' MOLE/L. ITS SOLUBILITY PRODUCT IS EQUAL TO

2. The activation energy for hypothetical reaction A---- products is 12.49 Kcal/mol . if temp is raised from 295 to 305 rate of reaction increases by A)60% B)100% C)50% D)20%

Under similar conditions which of the following gases will diffuse four times as quickly as oxygen?

Considering the elements B, Al, Mg, and K, the correct order of their metallic character is: (a) B &gt; Al &gt; Mg &gt; K (b) Al &gt; Mg &gt; B &gt; K (c) Mg &gt; Al &gt; K &gt; B (d) K &gt; Mg &gt; Al &gt; B

13) The root mean square speed of a molecule at temperature T is V. Its root mean square speed when its temperature is 2T isa) 2Vb) root2 Vc) V/2d) V/root2

why colloidal solution of pd adsorb larger volume of h2 in comparision to finely divided ni and p

what is the thetmal stability & acidic nature order of group 14 hydrides?

Which of the following is/are the suitable product(s) of pyrolysis of hexane?

Write the balanced chemical equation for the following reaction and identify the type of reaction.Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773K to form ammonia gas.

In 220g of CO2 how many g-atoms are present?

Aldol condensation??

At the same temperature and pressure, which of the following gas will be adsorbed in more proportion? (A) Cl​​​​​2 (B) N​​​​​​2 (C) H​​​​​​2 (D) NH​​​3 Ans: (D) Why does NH​​​​​3 get adsorbed more amongst the following?

34. The number of moles of sulphur present in mole of H2SO4

If a complex [M(H2O)6]2+ absorbs energy corresponding to λ nm, then the wavelength (in nm) absorbed by tetrahedral complex, [M(H2O)4]2+ will be :

integrate sec^6x

Épelez bien.1. Indiene2. Japonay3. Espanol4. Frauncais5. Mexicainne

CH3COCH2CH2CH2CHO Reaction in dilute oh- medium what will be the product?

12 The freezing point of a10% aqueous solution by weight of X is same as the freezing point of another 20% aqueous solution by weight of Y.If molar mass of Y is 80,then molar mass of X is 1)35 2)45 3)35.5 4)71.

Temperature of an ideal gas is changed from −173∘ C to 127∘ C. Thus the average velocity changes by x times. The value of x is

Suggest some ways to quickly dissolve salt in the water.

36. How many gram of dibasic acid (mol weight 200) should be present in 100 ml of the aqueous solution to give strength of 0.1N ? 1) 10g 2) 2g 3) 1 g 4) 20 g

17.When ZnO latticeis heated the formula of the lattice becomes (x>0)?

Glycerol is added to soap. It functions ... (a) as a filler (b) to increases leathering (c) to prevent rapid drying (d) to make soap granules

Name the compounds: CH3OH, C2H5OH, C3H7OH

what is molecular weight of oygen?

The stability of carbanions in the followingi) RC≡⊖Cii)iii) R2C=⊖CHiv) R3C−⊖CH2is in the order of

Which aqueous solution behaves as a buffer?

Law of eqivalence

How to convert fisher formula to newman formula

In which of the following species is the bond angle maximum?

What is halogenation of alkane?

A samll bubble rises from the bottom of a lake, where the temperature and pressure are 8∘C and 6.0 atm, to the water's surface, where the temperature is 25∘°C and pressure is 1.0 atm. Calculate the final volume of the bubble if its initial volume was 2 mL

In a simple cubic lattice, the coordination number is x and the packing efficiency of BCC is y%. Then the value of yx is: (Give your answer upto two decimal only)

How come for oxide ions in ccp tetrahedral voids are 8 and octahedral voids are 4 in case of AB2O4?

Now Rancho started opening up batteries in different objects. He opened battery of his watch now. After opening it up, he made some observations. Which of the following observations of Rancho are TRUE?

Letverifythat(i) (ii)

How many geometrical isomers are possible ffor CH3-CH=C=C=C=CH-CH=CH-CH3

which of the following is a mixed ketone (a)pen†an one (b)acetophenone (c)benzophenone (d)bu†an one

Why there is no hyperconjugation in phenyl and vinyl free radical ?

Explain reason behind order of polarity of R-OH bond in 3degree, 2degree,1degree bonds alcohols

Reaction of 2-butane with acidic KMnO4 gives

The number of atoms in 100 g of an FCC crystal with density d=10 g/cm3 and cell edge equal to is equal to

Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is ............. . (a) monosaccharide (b) disaccharide (c) reducing suager (d) non-reducing sugar

If in a container neither mass and nor heat exchange occurs then it constitutes a

97.The density of ch4 gas present in 1 Litre vessel at 2atm and 400 k is

Main axis of a diatomic molecule is z, molecular orbital px and pz overlap to form which of the following are orbitals? a) molecular orbital b)molecular orbital c) molecular orbital d) No bond will form

Question 11Which of the following metals exist in their native state in nature?(i) Cu(ii) Au(iii) Zn(iv) Ag(a) (i) and (ii)(b) (ii) and (iii)(c) (ii) and (iv)(d) (iii) and (iv)

Which electronic configuration of an element has abnormally high difference between 2nd and 3rd I.E.?

An accelerated electron has a speed of 5×106 ms−1 with an uncertainty of 0.02%. The uncertainty in finding its location while in motion is x×10−9 m. The value of x is .[Use mass of electron =9.1×10−31 kg, h=6.63×10−34 Js, π3.14]

Identify the number of compounds that can show geometrical isomerism.

Considering the elements B, Al, Mg, and K, the correct order of their metallic character is: (a) B > Al > Mg > K (b) Al > Mg > B > K (c) Mg > Al > K > B (d) K > Mg > Al > B

At the same temperature and pressure, which of the following gas will be adsorbed in more proportion? (A) Cl2 (B) N2 (C) H2 (D) NH3 Ans: (D) Why does NH3 get adsorbed more amongst the following?