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Previous year Questions of NEET Haloalkanes and Haloarenes

1. The reaction of C6H5CH=CHCH3 with HBr produces :

 (a)                          (b)

(c)                           (d)

2.

(1) Li                     (2) Na                    (3) K                      (4) Rb

4. Elimination reaction of 2-bromopentane to form pent-2-ene is

(A) β – Elimination reaction

(B) Follows Zaitsev rule

(C) Dehydrohalogenation reaction

(D) Dehydration reaction

(a) (A), (B), (C)                         (b) (A), (C), (D)

(c) (B), (C), (D)                         (d) (A), (B), (D)

5. The hydrolysis reaction that takes place at the slowest rate, among the following is

(a)

(b)

(c)

(d)

Chemistry Notes

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Physics Notes

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Biology Notes

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6. The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether. A, B and C are in the order                                     (NEET 2018)

(a) C2H5OH, C2H6, C2H5Cl

(b) C2H5OH, C2H5Cl, C2H5ONa

(c) C2H5Cl, C2H6, C2H5OH

(d) C2H5OH, C2H5ONa, C2H5Cl

7.

                              (NEET2018)

(a) m-bromotoluene

(b) o-bromotoluene

(c) 3-bromo-2,4,6-trichlorotoluene

(d) p-bromotoluene.

8.

(NEET 2017)

(a)

(b)

(c)

(d)