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TS EAMCET 2017 :: Chemistry :: General questions




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1.

The number of tetrahedral and octahedral voids in CCP unit cell are respectively


A) 4,8

B) 8,4

C) 12,6

D) 6,12



2.

The bond length  (pm)  of $F_{2},H_{2},Cl_{2}$ and $I_{2}$  respectively is 


A) 144,74,199,267

B) 74,144,199,267

C) 74,267,199,144

D) 144,74,267,199



3.

How many emission spectral lines are possible when a hydrogen atom is excited to nth energy level?


A) $\frac{n(n+1)}{2}$

B) $\frac{(n+1)}{2}$

C) $\frac{(n-1)n}{2}$

D) $\frac{n^{2}}{4}$



4.

 Oxidation of cyclohexene in presence of acidic potassium permanganate leads to 


A) glutaric acid

B) adipic acid

C) pimelic acid

D) succinic acid



5.

Cyclopentadienyl  anion is 


A) benzenoid and aromatic

B) non-benzenoid and aromatic

C) non-benzenoid and non-aromatic

D) non-benzenoid and anti aromatic



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