MCAT ECAT Chemistry Paper

A. Sodium

B. Diamond

C. Graphite

D. Magnesium

A. B

B. C

C. N

D. O

A. Copper

B. Ice

C. Diamond

D. Graphite

A. CCI4

B. CO2

C. BF3

D. None of the above

A. Be+2H2O?Be (OH)2+H2

B. Be+H2O?Be (OH)2+H2

C. Be+H2O?[Be (OH)4]+2+H2

D. No reaction

A. One ? one ? bond

B. Two ? one ? bond

C. One ? and two ? bond

D. Three ? bonds only

A. VSEPR

B. VBT

C. MOT

D. None of the above

A. ?H = ?H1 + ?H2 = ?H3

B. ?E = E1 + E2 = E3

C. Q = q1 + q2 = q3

D. ??H (cycle) = 0

A. Whole amount of reactant does not change into product

B. Chemical equilibrium is established

C. A catalyst changes the direction of reaction

D. Rate of forward reaction decreases as reaction proceeds

A. Kc is constant at given temperature

B. Kc is unaffected by change in concentration of reactants or products

C. Kc indicates the extent of reaction but not about the rate of reaction.

D. All of the above

A. 1 x 10-1

B. 1 x 10-14

C. 1 x 10-7

D. 1

A. 4.0 x 10-8

B. 3.2 x 10-11

C. 2.0 x 10-8

D. 4.0 x 10-12

A. 1.008 x 10-3

B. 5.5 x 10-4

C. 1.84 x 10-4

D. 1.673 x 10-3

A. Moles dm-3

B. Moles kg-1

C. Gram dm-3

D. None

A. Constitutive property

B. Additive property

C. Colligative property

D. Intrinsic property