Questions
Match the property given in Column I with the related element(s) given in Column II
and select the answer from the codes given below
| Column I | Column II |
| i. Unusual low melting point | p. B |
| ii. Extremely toxic | q. Al |
| iii. Forms acidic oxide | r. Ga |
| iv. The most stable in +1 state | s. In |
| v. Semiconductor | t. Tl |
| vi. Forms molecular fluoride |
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a
i-r,ii-t,iii-p,iv-t,v-p,vi-p
b
i-r,ii-t,iii-s,iv-t,v-p,vi-s
c
i-r,ii-s,iii-p,iv-t,v-r,vi-p
d
i-s,ii-t,iii-q,iv-t,v-p,vi-p
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Correct option is A
(i)→ (r) Ga melts even on keeping on palm. (i)→(t) (iii)→(p) B2O3, is an acidic oxide. (iv)→ (t) TI+>TI3+TI+>In+>Ga+ (v) →(p)(vi)→ (p) BF3
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