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20th August 2014, 02:02 PM
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Join Date: Apr 2013
Re: WBJEE Medical Questions

Below Questions & Answers of Chemistry subject of WBJEE (West Bengal Joint Entrance Examination) is given.
A gains electrons and is oxidized
A. loses electrons and is reduced.
B. gains electrons and is reduced.
C. loses electrons and is oxidized.
D. .reducing agent

Which of the following species has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni2+
D. Cu+

Which of the following sets of quantum numbers (n,l,ml,ms) correctly represents an electron in the 5f subshell?
A. 5, 3, 4, +½
B. 5, 2, 1, 0
C. 5, 3, −2, +½
D. 5, 5, 2, −½

(S)-(+)-lactic acid and (R)-(–)-lactic acid are nonsuperposable mirror images of each other. They are called
A. diastereomers
B. tautomers
C. enantiomers
D. structural isomers

Arrange the following in decreasing order of reactivity with HCN. HCHO, CH3CHO, CH3COCH3
A. HCHO > CH3CHO > CH3COCH3
B. CH3CHO > HCHO > CH3COCH3
C. CH3COCH3 > CH3CHO > HCHO
D. CH3CHO > CH3COCH3 > HCHO=








For more Questions & Answers of Chemistry subject ,here I am giving attachment


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