1
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0

In the scheme given below, the total number of intra molecular aldol condensation products formed from Y is ____________.

IIT-JEE 2010 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 23 English

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2
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0

Amongst the following, the total number of compounds soluble in aqueous NaOH is _________.

IIT-JEE 2010 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 22 English

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3
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0

The value of $$n$$ in the molecular formula $$\mathrm{Be_n Al_2Si_6O_{18}}$$ is ___________.

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4
IIT-JEE 2010 Paper 1 Offline
Numerical
+4
-0
The number of values of $$\theta $$ in the interval, $$\left( { - {\pi \over 2},\,{\pi \over 2}} \right)$$ such that$$\,\theta \ne {{n\pi } \over 5}$$ for $$n = 0,\, \pm 1,\, \pm 2$$ and $$\tan \,\theta = \cot \,5\theta \,$$ as well as $$\sin \,2\theta = \cos \,4 \theta $$ is
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