1
IIT-JEE 2012 Paper 1 Offline
Numerical
+3
-0
An organic compound undergoes first-order decomposition. The time taken for its decomposition to 1/8 and 1/10 of its initial concentration are t1/8 and t1/10 respectively. What is the value of $$\left[ {{{{t_{1/8}}} \over {{t_{1/10}}}}} \right] \times 10$$? ($${\log _{10}}2 = 0.3$$)
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2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is

IIT-JEE 2012 Paper 1 Offline Chemistry - Solid State Question 9 English

A
MX
B
MX2
C
M2X
D
M5X14
3
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The carboxyl functional group ($$-$$COOH) is present in

A
picric acid
B
barbituric acid
C
ascorbic acid
D
aspirin
4
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

As per IUPAC nomenclature, the name of the complex $$[Co{({H_2}O)_4}{(N{H_3})_2}]C{l_3}$$ is

A
Tetraaquadiaminecobalt (III) chloride.
B
Tetraaquadiamminecobalt (III) chloride.
C
Diaminetetraaquacobalt (III) chloride.
D
Diamminetetraaquacobalt (III) chloride.
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