Which one of the following does not correctly represent the correct order of the property indicated against it?

The product (Y) in the following reaction is
\(\text{2 C}_6\text{H}_5\text{CHO} \xrightarrow[\text{Heat}]{\text{conc. NaOH}} \text{Y} + \text{C}_6\text{H}_5\text{COONa}\)

The vapour pressure curve of the mixture of ethanol and acetone is higher than its constituents because:

Number of hydrogen bond formed between adenine and thymine to connect each other is /are

Which of the following statements regarding osmosis is not correct?

Choose the correct statements from the following :
(A) two different solutions of sucrose of same molality prepared in different solventswill have the same depression in freezing point.
(B) the osmotic pressure of a solution is given by the equation \(II = CRT\) (where C is the molarity of the solution)
(C) decreasing order of osmotic pressure for 0.01 M aqueous solution of \(BaCl _2, KCl , CH _3 COOH\), and sucrose is \(BaCl _2 > KCl > CH _3 COOH >\) sucrose
(D) according to Raoult's law the vapor pressure exerted by a volatile component of asolution is directly proportional to its mole fraction in the solution
Choose the correct answer from the options given below :

Match List - I with List - II

List - I (Complex)	List - II (Hybridisation)
(A) \([CoF_6]^{3-}\)	(I) \(sp^3\)
(B) \([Co(NH_3)_6]^{3+}\)	(II) \(dsp^2\)
(C) \([NiCl_4]^{2-}\)	(III) \(d^2sp^3\)
(D) \([Ni(CN)_4]^{2-}\)	(IV) \(sp^3d^2\)

Choose the correct answer from the options given below :

Two coils of self inductances \( L_1 \) and \( L_2 \) are kept close to each other so that the effective flux in one is completely linked with the other. What is the mutual inductance M between them ?

A storage battery of emf 8.0 V and internal resistance 0.5 \(\Omega\) is being charged by a 60 V dc supply using a series resistor of 12.5 \(\Omega\). The terminal potential difference between the terminals of the battery during charging is

Which one of the followings is an auto-immune disease?

In case of phosphorus, \(\text{PCl}_3\) and \(\text{PCl}_5\) are possible while nitrogen only forms \(\text{NCl}_3\), and not \(\text{NCl}_5\). This due to :

Select the properties of cancer cell
(A) Forms benign tumors
(B) Causes very little damage to the surrounding tissues
(C) Can show Metastasis
(D) Lacks contact inhibition

Match List-I with List-II

List-I (Conditions)	List-II (Type of matrix)
(A) Square matrix \(A\)	(I) \(A=\left[a_{i j}\right]_{m \times m}\), where \(\left\{\begin{array}{ll}a_{i j}=0 & , i \neq j \\ a_{i j}=k & , i=j\end{array}\right.\) where \(k \neq 0\) is constant
(B) Scalar Matrix \(A\)	(II) \(A=\left[a_{i j}\right]_{m \times m}\)
(C) Diagonal matrix \(A\)	(III) \(A=\left[a_{i j}\right]_{m \times m}\), where \(\left\{\begin{array}{ll}a_{i j}=0 & , i \neq j \\ a_{i j}=1 & , i=j\end{array}\right.\)
(D) Identity matrix \(A\)	(IV) \(A=\left[a_{i j}\right]_{m \times m}\), where \(a_{i j}=0, i \neq j\)

Choose the correct answer from the options given below: