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In the hydrogen atom, the electrons are excited to the 5th energy level. The number of lines that may appear in the spectrum will be

In the hydrocarbon overset(7)CH_(3)-overset(6)CH_(2)-overset(5)CH=overset(4)CH-overset(3)CH_(2)-overset(2)C-=overset(1)CH the state of hybridisation of carbon 1,2,3,4 and 7 are in the following sequence.

In the hydrocarbon CH_(3) - CH_(2) - CH = ""^(.)CH - CH_(2) - C-= CH the state of hybridisation of carbon 1,2,3,4 and 7 are in the following sequence.

In the hydroboration-oxidation reaction of propene with dibroane, H_2O_2 and NaOH, the organic compound formed is :

In the Hoope's process for refining of Al the fused materials form three different layers and they remain spearated during electrolysis also. This is because.

In the hardening stage of plaster of paris, the compound formed is

In the Haber process N_(2)+ 3H_(2) hArr 2NH_(3) pressure is about 200 atm in pressure of catalyst and temperature is kept 500^(@)C even though the reaction is exothermic. Reason : Energy needed for this reaction is easily obtained at this temperature.

In the ground state, an element has 13 electrons in its "M - shell". The element is

In the gives reaction sequence CH_(3)CH_(2)underset(O)underset(||)C CH_(2)CH_(3)overset(Br_(2)//CH_(3)COOH)rightarrow Xoverset(Br_(2)//NaOH)rightarrow Y X,Y respectively are

In the grand state, an element has 13 electrons in its M-shell. The element is

In the given transformation, which the following is the most appropriate reagent?

In the given selective hydrogenation which combination is incorrect?

In the given reactions: (i). CH_(3)Br overset(Na,ether)to X underset(hupsilon)overset(Br_(2))toY overset(Na,ether)Z (ii) CH_(3)COOH overset(NaOH)to X underset(CaO)overset(NaOH)to Y underset(h upsilon)overset(Br_(2))toZ Identify, X,Y and Z

In the given reactions M is the number of major products obtained in I^(st) reaction and N number of major products obtained in II^(nd) reaction. Report your answer as MN.

In the given reaction [X] will be :

In the given reaction : [X] will be :

In the given reaction X is CH_(3)CHO + CH_(2) (COOH)_(2) overset("Pyridine" //Delta)rarr X

In the given reaction (x) underset("2)"H_2O //Zn)overset("1)"O_3)to underset("(only product)")(CH_3-overset(O)overset(||)C-CH_2-CH_2-CH_2-CH_2-CHO),(x) is

In the given reaction which of the following is the relation of between K_p and K_c ? N_(2(g)) + 3H_(2(g)) hArr 2NH_(3(g))

In the given reaction sequence, Y is

In the given reaction K_(2)Cr_(2)+XH_(2)SO_(4)+YSO_(2)rarrK_(2)SO_(4)+R_(2)(SO_(4))_(3)+ZH_(2)O X,Y,Z are

In the given reaction : overset(Conc. H_2SO_4)to [X] as major product [X] will be :

In the given reaction : CH_3-underset(Ph)underset(|)CH-oversetoverset(OH)(|)CH-CH_3underset(Delta)overset(conc. H_2SO_4)to Alkenes Total numberof alkenes (including stereo isomers) formed will be

In the given reaction2X (g) + Y (g) hArr 2 Z (g) + 80kcal, which combination of pressure and temperature will give the highest yield of Z at equilibrium ?

In the given chemical reaction, 2P+H_(2)O+CO_(2) to Q overset(H_(2)O+CO_(2))to 2R overset(NaCl)toS+NH_(4)Cl Identify S.

In the given compound the order of case with which hydrogen atom can be abstracted from carbon I to VI is :

In the Gattermann reaction of preparation of chlorobenzene from benzene, the catalyst used is …………….. .

In the Friedel-Crafts acylation, the attacking species is

In the free radical chlorination of methane, the chain initiating step involves the formation of

In the formation rection of NH_(3)from N_(2)and H_(2) 140 g of N_(2) and 40 g H_(2)were mixed. Select the option which is/are incorrect?

In the formation of SF_(6) molecule, the sulphur atom is in

In the formation of N_2^+, the electron is lost from :

In the formation of homo diatomic neutral molecule, if 'N' atomic orbitals combine, then the total number of bonding molecular orbitals formaed is

In the formation of ethylene molecule , the carbon atom makes use of ___________ hybridisation .

In the formation of covalent bond

In the formation of B-H-B bridge in diborane, the orbitals involved in overlapping are

In the formation of Al_(2)O_(3) from Al and O_(2), if 1.5 mole of oxygen is used up, the mass of aluminium that reacted is

In the formation of a homo diatomic neutral molecule, if N atomic orbitals combine, then the total number of bonding molecular orbital formed is

In the following which situation precipitation will be occurs ?

In the following which is not glyceride ?

In the following which configuration shows halogen's configuration ?

In the following the most stable conformation of n-butane is

In thefollowingthe element with thehighestionizationenergy is

In the following table, which of the optionsare correct ?

In the following system at equilibrium, N_(2)+3H_(2)hArr2NH_(3), the reaction mixture contains 0.005 mol of N_(2), 0.012 mol of H_(2) and 0.002 mol of NH_(3) in a 2 litre vessel. Calculate K_(c).

In the following structures

In the following statements : (A) Ideal gases are liquefied only at very low temperature (B) Ideal gases cannot be liquefied (C) Ideal gas behaviour is observed by real gases at low pressure (D) Idealgases do not exist The correct statements are :

In the following six electronicconfiguration (remaining inner orbital are completely flled). Mark the correct optio(s).