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(i)N_(2(g)) + O_(2(g)) hArr 2NO_((g)) (ii)2NO_((g)) hArr N_(2(g)) + O_2 In these , the equilibrium constant are K_1 and K_2 at definate temperature then give relation if K_1 and K_2 ?

In ZnS, S^(2-) ions from ________ structure while Zn^(2+) ions are present in _______ voids.

In ZnNH_(4)PO_(4) , the element with minium and maximum oxidation states are "____________________".

In Zeigler-Natta polymerisation of ethylene the active species is

In X-ray diffraction experiment at which one of the following path difference between the two waves , destructive interference is observed (gamma=wavelength of x-rays)

In Wurtz reaction, the reagent used is

In Wurtz fittig reaction, chlorobenzene is converted to ………………….. by reacting it with ethyl chloride.

In Witting reaction, a cyclic intermediate is formed called oxaphosphetane. The no. of atoms involved in the ring formation.

In winter season, special type of clouds called polar stratospheric clouds are formed over Antarctica. As a result, less depletion of ozone layer takes place due to reactions

In which volume ratio NH_(4)Cl and NH_(4)OH solutions (each 1 M ) should be mixedto get a buffer solution of pH 9.80 ? (pK_(b) "of" NH_(4)OH=4.74)

In which type of molecule, the electron of pi bond are delocatised?

In which type of 3D arrangement have 1^(st) and IV layer's of sphere are identical

In which substance the elements presents in them show new type of properties by losing their own properties ?

In which substance the constituents retains their own characteristic properties ?

In which substance oxidation number of oxygen is -1 ?

In which state of matter, hydrogen bond can exist?

In which state of matter do not have definite volume and definite shape ?

In which state matters have definite volume and definite shape ?

In which species the hybrid state of central atom is/are sp^(3)d?

In which solution 1 mole acid in 1 litre give 1 N solution ?

In which SO_(2) acts as oxidant, while reacting with

In which set of diatomic species the bond order is 2.5 ?

In which set from the following the oxidation number of oxygen is in increasing form ?

In which season the depletion of ozone on Antarctica takes place and when is it replenished ?

In which season and what time of the day, there is photochemical smog?

In which season and what time of the day, there is 'London smog'

In which region of atmosphere, lowest temperatures are observed?

In which region Lyman and paschen series are appeared.

In which reaction(s) blood red colouration is observed in product:

In which reaction the product following anti markonikoff rule is observed :

In which reaction product formation takes place by Hoffmann rule ?

In which reactions hydrogen is acting as an oxidizing agent?

In which reaction, hydrogen peroxide neither acts as an oxidising agent nor as a reducing agent ?

In which reaction incorrect products have been reported.

In which reaction H_2O_2acts reducing agent ?

In which reaction at equilibrium will the amount kof reactants present increase with an increase in the container volume?

In which range the value of pH and pOH of aqueous solution.

In which pure form does corbon exist in nature ?

In which process, fused sodium hydroxide is electrolysed for extraction of sodium?

In which phenomenon Entropy decreases ?

In which period, are there the maximum number of artificial radio active elements ?

In which part of the atmosphere, ozone is formed and how?

In which pair, the stronger bond is found in the first species? a. O_(2)^(-),O_(2) b. N_(2),N_(2)^(+) c. NO^(+),NO_(-)

In which pairs first compound is stronger acid than the second ?

In which pairof species, both species have similargeometry ?

In which pair most efficient packing present ?

In which pair most efficientpacking is present ?

In which pair IInd compound is weak acids.

In which one of the following, the dispersed phase is a liquid ?

IN whichone of thefollowingthe numberof protonsgreaterthanneutronsbut numberof protonsis lessthan thenumberof electrons

In ZnS, S^(2-) ions from __ structure while Zn^(2+) ions are present in _ voids.