AIEEE Question Papers with Solutions

Question

What is the commercial names of trichloroethene -

Possible Answers

Selected	Possible Answer
	Westron
	Koyaline
	Lewisite
	Westrosol

Question

gives propene as major product and alkyne as minor product. The false statement about the minor product -

Possible Answers

Selected	Possible Answer
	It shows chain isomerism
	It is a one branched alkyne
	It has terminal acidic hydrogen
	It has four carbon hybridised and two carbon sp hybridised

Question

For the formation of ethyl alcohol from the product of CH_3COOAg+C_2H_5Br

Possible Answers

Selected	Possible Answer
	Any of the above
	Alkaline hydrolysis is carried out
	Hydrogenolysis is carried out
	Acidic hydrolysis is carried out

Question

Enthalpy change of heterolytic fission of C â€“ Cl bond is given as
$CH_3-Cl\rightarrow CH_3+Cl^-\Delta H_1^0$
$CH_3CH_2Cl\rightarrow CH_3CH_2+Cl^-.\Delta H_2^0$
$(CH_3)_2CHCl\rightarrow (CH_3)_2CH+Cl^-\Delta H_3^0$
$(CH_3)_3CCl\rightarrow (CH_3)_3C^++Cl^-\Delta H_4^0$
the order of enthalpy change is

Possible Answers

Selected	Possible Answer
	$\Delta H_4^0>\Delta H_2^0>\Delta H_1^0>\Delta H_3^0$
	$\Delta H_1^0>\Delta H_2^0>\Delta H_3^0>\Delta H_4^0$
	$\Delta H_1^0<\Delta H_2^0<\Delta H_3^0<\Delta H_4^0$
	$\Delta H_1^0<\Delta H_4^0<\Delta H_3^0<\Delta H_2^0$

Question

Fractional distillation cannot be used to obtain absolute alcohol from ethyl alcohol, because-

Possible Answers

Selected	Possible Answer
	Ethanol possesses quite effective Hbonding
	Ethyl alcohol is highly in flammable
	Its b.p. Is quite nearer to that of water
	It forms azeotropic mixture with water

Question

Most vigorous alkaline hydrolysis will be shown by -

Possible Answers

Selected	Possible Answer

Question

Reaction suitable for the conversion of formic acid to oxalic acid is -

Possible Answers

Selected	Possible Answer
	Heating sod. formate to
	Formic acid is heated to
	Amide of formic acid is heated with
	Formic acid is heated with conc.

Question

The compound is a

Possible Answers

Selected	Possible Answer
	amine
	amine
	Only secondary amine
	only primary amine

Question

Match the following :

List-I
(1) Calcination
(2) Roasting
(3) Flux
(4) Thermite

List-II
(A) $2Cu_2S+3O_2\rightarrow 2Cu_2O+SO_2$
(B) $Fe_2O_3.nH_2O\rightarrow Fe_2O_3+nH_2O$
(C) $Cr_2O_3+2Al\rightarrow Al_2O_3+2Cr$
(D) $SiO_2+FeO\rightarrow FeSiO_3$

Possible Answers

Selected	Possible Answer
	$D\rightarrow 1, A\rightarrow 2, B\rightarrow 3, D\rightarrow 4$
	$B\rightarrow 1, A\rightarrow 2, D\rightarrow 3, C\rightarrow 4$
	$A\rightarrow 1, B\rightarrow 2, C\rightarrow 3, D\rightarrow 4$
	$C\rightarrow 1, A\rightarrow 2, B\rightarrow 3, D\rightarrow 4$