List of top Questions asked in TS EAMCET- 2024

Identify the pair of elements in which the number of s-electrons to p-electrons ratio is 2:3:
12 g of an element reacts with 32 g of oxygen. What is the equivalent weight of the element?

Match the following:
 


The correct answer is:
 

A halogen compound X (C\(_4\)H\(_9\)Br) on hydrolysis gave alcohol Y. The alcohol Y undergoes dehydration with 20\% H\(_3\)PO\(_4\) at 358 K. What is X?
Observe the following two statements: I. For an isolated system, \( \Delta U = 0 \); \( q = 0 \) II. For a closed system, \( \Delta U = 0 \); \( q \neq 0 \) The correct answer is
Identify the set of molecules which act as bleaching agents only by oxidation
Which of the following is used in liquid detergents?

In the following reaction sequence, what are X and Y respectively? 

 

The correct order of reducing power of alkali metals in aqueous solution is
The number of molecules with electrophilic centres in the following is CH\(_3\)CH\(_2\)Br, CH\(_3\)COCH\(_3\), CH\(_3\)CH\(_2\)CN, (CH\(_3\))\(_2\)Cd
Match the following:
Siderite
Phenatole can be prepared from which of the following reactants?
The set containing the elements with positive electron gain enthalpies is?
The hybridisation of the central atom of \( BF_3 \), \( SnCl_2 \), \( HgCl_2 \), respectively is?

Observe the following reactions (unbalanced): 

\( P_2O_3 + H_2O \rightarrow X \)

\( P_4O_{10} + H_2O \rightarrow Y \)

The number of \( P=O \) bonds present in \( X, Y \) are respectively:

Which of the following statements are not correct? i) \( \text{BeO has rock-salt structure} \)
ii) \( \text{BeSO}_4 \text{ is readily soluble in water} \)
iii) \( \text{The maximum coordination number of beryllium is four} \)
iv) \( \text{Be(OH)}_2 \text{ is basic in nature} \)
The set of complex ions having the same number of unpaired electrons is
The minimum concentration (ppm) of dissolved oxygen in water that is required for the growth of fish is
Identify the correct statements from the following:

The products of the following reactions \( X \) and \( Y \) respectively are Reaction: 

At T(K), \( K_c \) for the dissociation of \( PCl_5 \) is \( 2 \times 10^{-2} \) mol L\(^{-1}\). The number of moles of \( PCl_5 \) that must be taken in 1.0 L flask at the same temperature to get 0.2 mol of chlorine at equilibrium is
The wavenumber of the first spectral line of the Lyman series of He\(^+\) ion is \( x \) m\(^{-1}\). What is the wavenumber (in m\(^{-1}\)) of the second spectral line of the Balmer series of Li\(^{2+}\) ion?

The set of elements which obey the general electronic configuration \( (n-1)d^{10} ns^2 \) is:}

Observe the following species: (i) \( NH_3 \) (ii) \( AlCl_3 \) (iii) \( SnCl_4 \) (iv) \( CO_2 \) (v) \( Ag^+ \) (vi) \( HSO_4^- \) How many of the above species act as Lewis acids?
The decomposition of benzene diazonium chloride is a first-order reaction. The time taken for its decomposition to \( \frac{1}{4} \) and \( \frac{1}{10} \) of its initial concentration are \( t_{1/4} \) and \( t_{1/10} \) respectively. The value of \( \frac{t_{1/4}}{t_{1/10}} \times 100 \) is: (Given: log 2 = 0.3)