1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Consider the following reaction :

AIPMT 2009 Chemistry - Alcohol, Phenols and Ethers Question 30 English
the product Z is
A
CH3CH2 $$-$$ O $$-$$ CH2 $$-$$ CH3
B
CH3 $$-$$ CH2 $$-$$ O $$-$$ SO3H
C
CH3CH2OH
D
CH2$$=$$CH2
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively
A
+3, +6 and +5
B
+5, +3 and +6
C
$$-$$3, +6 and + 6
D
+5, +6 and +6
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
A
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 62 English Option 1
B
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 62 English Option 2
C
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 62 English Option 3
D
AIPMT 2009 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 62 English Option 4
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Power dissipated in an LCR series circuit connected to an A.C. source of emf $$\varepsilon $$ is
A
$${{{\varepsilon ^2}\sqrt {{R^2} + {{\left( {L\omega - {1 \over {\omega }}} \right)}^2}} } \over R}$$
B
$${{{\varepsilon ^2}\sqrt {{R^2} + {{\left( {L\omega - {1 \over {C\omega }}} \right)}^2}} } \over R}$$
C
$${{{\varepsilon ^2}R} \over {\sqrt {{R^2} + {{\left( {L - {1 \over {C\omega }}} \right)}^2}} }}$$
D
$${{{\varepsilon ^2}R} \over {\left[ {{R^2} + {{\left( {L\omega - {1 \over {C\omega }}} \right)}^2}} \right]}}$$