1
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+2
-0.5
Mixture X = 0.02 mol of [Co(NH3)5SO4]Br and 0.02 mol of [Co(NH3)5Br]SO4 was prepared in 2 litre of solution.
1 litre of mixture X + excess AgNO3 $$ \to $$ Y.
1 litre of mixture X + excess BaCl2 $$ \to $$ Z
No. of moles of Y and Z are
A
0.01, 0.01
B
0.02, 0.01
C
0.01, 0.02
D
0.02, 0.02
2
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+2
-0.5
Which has maximum number of atoms?
A
24 g of C(12)
B
56g of Fe(56)
C
27g of Al(27)
D
108g of Ag(108)
3
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+3
-0.75
If $$l\left( {m,n} \right) = \int\limits_0^1 {{t^m}{{\left( {1 + t} \right)}^n}dt,} $$ then the expression for $$l(m, n)$$ in terms of $$l(m+n, n-1)$$ is
A
$${{{2^n}} \over {m + 1}} - {n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
B
$${n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
C
$${{{2^n}} \over {m + 1}} + {n \over {m + 1}}l\left( {m + 1,n - 1} \right)$$
D
$${m \over {n + 1}}l\left( {m + 1,n - 1} \right)$$
4
IIT-JEE 2003 Screening
MCQ (Single Correct Answer)
+4
-1
The value of $$'a'$$ so that the volume of parallelopiped formed by $$\widehat i + a\widehat j + \widehat k,\widehat j + a\widehat k$$ and $$a\widehat i + \widehat k$$ becomes minimum is
A
$$-3$$
B
$$3$$
C
$$1/\sqrt 3 $$
D
$$\sqrt 3 $$
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