06-03-2013, 12:53 PM
MODEL QUESTION PAPER CHEMISTRY
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1. The molecule, AB of a compound forms cubic lattice where ‘A’ atoms occupy the corners
and B atoms occupy the alternate faces of the unit cell. The formula of the compound is
(a) A2B (b) AB2 © AB (d) A2B2 1
2. For the given reaction 2A + B → C + D, the rate constant is 1.5 × 10–4 s–1. What is the order
of the reaction?
(a) one (b) two © zero (d) three 1
3. Which of the following is isostructural with XeF4?
(a) ICl4
2– (b) ICl4
– © SO4
2– (d) SF4 1
4. What is the coordination number of Co in [Co(NO2)2 (en)2]+ 1
(a) 4 (b) 5 © 6 (d) 3
5. C6H5NH2 and C6H5CH2NH2 can be distinguished by 1
(a) Fehling’s test (b) Isocyanide test
© Adding NaNO2 + HCl (d) Iodoform test
Q6-8 may have more than one correct answer.
6. Four metals A, B, C and D have E° values: – 0.76V, 0.34V, –2.13 V and 0.44V respectively.