NTA JEE Main 11th April 2015 Online
For the following questions answer them individually
NTA JEE Main 11th April 2015 Online - Question 41
The number of structural isomers for $$C_6H_{14}$$ is:
NTA JEE Main 11th April 2015 Online - Question 42
Match the organic compounds in column - I with the Lassaigne's test result in column - II appropriately:
Column - IÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Column - II
A. Aniline                 i. Red colour with FeCl$$_3$$
B. Benzene sulfonic acid    ii. Violet color with sodium nitroprusside
C. Thiourea              iii. Blue color with acidic solution of FeSO$$_4$$
NTA JEE Main 11th April 2015 Online - Question 43
Which of the following pairs of compounds are positional isomers?
NTA JEE Main 11th April 2015 Online - Question 44
Addition of phosphate fertilizers to water bodies causes:
NTA JEE Main 11th April 2015 Online - Question 45
Determination of the molar mass of acetic acid in benzene using freezing point depression is affected by:
NTA JEE Main 11th April 2015 Online - Question 46
At 298 K, the standard reduction potentials are 1.51 V for $$MnO_4^- | Mn^{2+}$$, 1.36 V for $$Cl_2|Cl^-$$, 1.07 V for $$Br_2|Br^-$$, 0.54 V for $$I_2|I^-$$. At pH = 3, permanganate is expected to oxidize: $$\left(\frac{RT}{F} = 0.059\right)$$
NTA JEE Main 11th April 2015 Online - Question 47
$$A + 2B \rightarrow C$$, the rate equation for the reaction is given as Rate = k[A][B]. If the concentration of A is kept the same but that of B is doubled what will happen to the rate itself?
NTA JEE Main 11th April 2015 Online - Question 48
For the equilibrium, $$A(g) \rightleftharpoons B(g)$$, $$\Delta H$$ is $$-40$$ kJ/mol. If the ratio of the activation energies of the forward $$(E_f)$$ and reverse $$(E_b)$$ reactions is $$\frac{2}{3}$$ then:
NTA JEE Main 11th April 2015 Online - Question 49
Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration?
NTA JEE Main 11th April 2015 Online - Question 50
Calamine is an ore of:
