NTA JEE Main 9th April 2013 Online
For the following questions answer them individually
NTA JEE Main 9th April 2013 Online - Question 51
Trigonal bipyramidal geometry is shown by:
NTA JEE Main 9th April 2013 Online - Question 52
Potassium dichromate when heated with concentrated sulphuric acid and a soluble chloride, gives brown-red vapours of :
NTA JEE Main 9th April 2013 Online - Question 53
The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds :
NTA JEE Main 9th April 2013 Online - Question 54
Type of isomerism which exists between $$[Pd(C_6H_5)_2(SCN)_2]$$ and $$[Pd(C_6H_5)_2(NCS)_2]$$ is :
NTA JEE Main 9th April 2013 Online - Question 55
X is:
NTA JEE Main 9th April 2013 Online - Question 56
Aryl fluoride may be prepared from arene diazonium chloride using :
NTA JEE Main 9th April 2013 Online - Question 57
An ether (A), $$C_5H_{12}O$$, when heated with excess of hot concentrated HI produced two alkyl halides which when treated with NaOH yielded compounds (B) and (C). Oxidation of (B) and (C) gave a propanone and an ethanoic acid respectively. The IUPAC name of the ether (A) is :
NTA JEE Main 9th April 2013 Online - Question 58
Formaldehyde can be distinguished from acetaldehyde by the use of :
NTA JEE Main 9th April 2013 Online - Question 59
If a polythene sample contains two monodisperse fractions in the ratio 2 : 3 with degree of polymerization 100 and 200, respectively, then its weight average molecular weight will be :
NTA JEE Main 9th April 2013 Online - Question 60
Which of the following enzyme converts starch into maltose?
