(major product)

$\left[ Co \left( C _{2} O _{4}\right)_{3}\right]^{3-}$ is a :

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Identify $X$ and $Y$ in the following sequence

${C_2}{H_5}Br\xrightarrow{X}{\text{product}}\xrightarrow{{\text{Y}}}{C_3}{H_7}N{H_2}$

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In weak alkaline medium iodide is changed in following compound by $KMnO_4$

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Which of the following is not true about helium?

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Oxidation number of nickel in $Ni{(CO)_4}$

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Benzoic acid is treated with lithium aluminium hydride. The compound obtained is

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Permono sulphuric acid is known as

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The boiling point of an azeotropic mixture of water-ethanol is less than that of both water and ethanol. Then

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When $CuS{O_4}$ is hydrated, then it becomes

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During Kinetic study of reaction $2 A+B \rightarrow C+D$, the following results were obtained :

	$A[M]$	$B[M]$	initial rate of formation of $D$
$i$	$0.1$	$0.1$	$6.0 \times 10^{-3}$
$ii$	$0.3$	$0.2$	$7.2 \times 10^{-2}$
$ii$	$0.3$	$0.4$	$2.88 \times 10^{-1}$
$iv$	$0.4$	$0.1$	$2.40 \times 10^{-2}$

Based on above data, overall order of the reaction is $\qquad$

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Answer