Which one of the following functional groups is found in alcohols a. A b. B c. C

Question

Which one of the following functional groups is found in alcohols a. A b. B c. C d. D e. E The electron configuration of a Cr^3+ ion is a. [Ar]3d^5. b. [Ar]4s^13d^2. c. [Ar]3d^3 d. [Ar]4s^13d^5. e. [Ar]4s^23d^4. The reaction A + 2B rightarrow products has the rate law, rate = k[A][B]^3. If the concentration of B is doubled while that of A is unchanged, by what factor will the rate of reaction increase? a. 2 b. 4 c. 6 d. 8 e. 9 When atoms of aluminum-27 are bombarded with alpha particles, a neutron and an element are produced. The particular isotope formed is a._14^31 Si b._14^30 Si c._16^31 S d._15^30 P e._15^31 P

Explanation / Answer

47] a)A R-O-H is the alcohol

others are Ether, Ketone, Acid, Ester groups respectively

48] C [Ar] 3d3

Electronic configuration of Cr

[Ar] 4s13d5

when it oxidize toCr3+

Electronic configuration of Cr3+

[Ar] 3d3

49] d) 8

50] d

2He4 + 13 Al27 -> 0n1 + 15P30

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