NTA JEE Main 9th April 2014 Online
For the following questions answer them individually
NTA JEE Main 9th April 2014 Online - Question 41
In which of the following pairs is A more stable than B?
NTA JEE Main 9th April 2014 Online - Question 42
In a face centered cubic lattice atoms A are at the corner points and atoms B at the face centered points. If atom B is missing from one of the face centered points, the formula of the ionic compound is:
NTA JEE Main 9th April 2014 Online - Question 43
A current of 10.0 A flows for 2.00 h through an electrolytic cell containing a molten salt of metal X. This results in the decomposition of 0.250 mol of metal X at the cathode. The oxidation state of X in the molten salt is: (F = 96,500 C)
NTA JEE Main 9th April 2014 Online - Question 44
The standard electrode potentials ($$E^\circ_{M^{+}/M}$$) of four metals A, B, C and D are $$-1.2$$ V, 0.6 V, 0.85 V and $$-0.76$$ V, respectively. The sequence of deposition of metals on applying potential is:
NTA JEE Main 9th April 2014 Online - Question 45
The half-life period of a first-order reaction is 15 minutes. The amount of substance left after one hour will be:
NTA JEE Main 9th April 2014 Online - Question 46
The form of iron obtained from blast furnace is:
NTA JEE Main 9th April 2014 Online - Question 47
The gas evolved on heating CaF$$_2$$ and SiO$$_2$$ with concentrated H$$_2$$SO$$_4$$, on hydrolysis gives a white gelatinous precipitate. The precipitate is:
NTA JEE Main 9th April 2014 Online - Question 48
Which of the following is not formed when H$$_2$$S reacts with acidic K$$_2$$Cr$$_2$$O$$_7$$ solution?
NTA JEE Main 9th April 2014 Online - Question 49
The correct statement about the magnetic properties of [Fe(CN)$$_6$$]$$^{3-}$$ and [FeF$$_6$$]$$^{3-}$$ is: (Z = 26).
NTA JEE Main 9th April 2014 Online - Question 50
A compound of vanadium chloride has spin only magnetic moment of 1.73 BM. Its formula is:
