JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties
The correct sequence of electron gain enthalpy of the elements listed below is _______. \(A\). \(\mathrm{Ar}\) \(B\). \(\mathrm{Br}\) \(C. F\) \(D\). \(\mathrm{S}\) Choose the most appropriate from the options given below:
- A \(C \) > \( B \) > \( D \) > \( A\)
- B \(A \) > \( D \) > \( B \) > \( C\)
- C \(A \) > \( D \) > \( C \) > \( B\)
- D \(D \) > \( C \) > \( B \) > \( A\)
Answer & Solution
Correct Answer
(B) \(A \) > \( D \) > \( B \) > \( C\)
Step-by-step Solution
Detailed explanation
table { border-collapse: collapse; } th, td { padding: 8px 20px; text-align: left; } /* Aligning the numbers to the right for a cleaner look */ td:last-child { text-align: right; } Element ΔegH (kJ/mol) F −333 S −200 Br −325 Ar +96
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The number of \(4 f\) electrons in the ground state electronic configuration of \(\mathrm{Gd}^{2+}\) is ........ . [Atomic number of \(\mathrm{Gd}=64\) ]JEE Mains 2021 Medium
- Given below are two statements: Statement \(I :\) Potassium permanganate on heating at \(573\, K\) forms potassium manganate. Statement \(II :\) Both potassium permanganate and potassium manganate are tetrahedral and paramagnetic in nature. In the light of the above statements, choose the most appropriate answer from the options given belowJEE Mains 2021 Hard
- The correct order in aqueous medium of basic strength in case of methyl substituted amines is :JEE Mains 2023 Medium
- Match the organic compounds in column \(-I\) with the Lassaigne's test results in column \(-II\) appropriately
Column \(-I\) Column \(-II\) \((A)\) Aniline \((i)\) Red colour with \(FeCl_3\) \((B)\) Benzene sulfonic acid \((ii)\) Violet colour with sodium nitroprusside \((C)\) Thiourea \((iii)\) Blue colour with hot and acidic solution of \(FeSO_ 4\) JEE Mains 2015 Hard - \(5.33\) g of \(CrCl_3 \cdot 6H_2O\), which is a \(1 : 3\) electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the eluted solution, on treatment with \(AgNO_3\) results in \(8.61\) g of \(AgCl\). The ratio of moles of complex reacted and moles of \(AgCl\) formed is _______ \(\times 10^{-2}\). (Nearest integer)
[Molar mass in g mol\(^{-1}\) Cr : \(52\), Ag : \(108\), Cl : \(35.5\), H : \(1\), O : \(16\)]JEE Mains 2026 Hard - A gas (Molar mass \(=280\,g\,mol ^{-1}\) ) was burnt in excess \(O _{2}\) in a constant volume calorimeter and during combustion the temperature of calorimeter increased from \(298.0 K\) to \(298.45\,K\). If the heat capacity of calorimeter is \(2.5\,kJ\,K ^{-1}\) and enthalpy of combustion of gas is \(9\,kJ\,mol ^{-1}\) then amount of gas burnt is \(......g\). (Nearest Integer)JEE Mains 2022 Medium
More PYQs from JEE Mains
- In the structure of the dichromate ion, there is a :JEE Mains 2021 Easy
- A standing wave is formed by the superposition of two waves travelling in opposite directions. The transverse displacement is given by \(y\left( {x,t} \right) = 0.5\sin\, \left( {\frac{{5\pi }}{4}x} \right)\,\cos\, \left( {200\,\pi t} \right)\). What is the speed of the travelling wave moving in the positive \(x\) direction .... \(m/s\) ? (\(x\) and \(t\) are in meter and second, respectively.)JEE Mains 2017 Hard
- If the line \(x-1=0\), is a directrix of the hyperbola \(kx ^{2}- y ^{2}=6\), then the hyperbola passes through the point.JEE Mains 2022 Medium
- Two spherical bodies of same materials having radius 0.2 m and 0.8 m are placed in same atmosphere. The temperature of the smaller body is 800 K and temperature of the bigger body is 400 K . If the energy radiated from the smaller body is E, the energy radiated from the bigger body is _________. (assume, effect of the surrounding temperature to be negligible),JEE Mains 2025 Hard
- In the chemical reaction given above \(A\) and \(B\) respectively are :
JEE Mains 2021 Hard - A monkey of mass \(50\,kg\) climbs on a rope which can withstand the tension \((T)\) of \(350\,N\). If monkey initially climbs down with an acceleration of \(4\,m / s ^{2}\) and then climbs up with an acceleration of \(5\,m / s ^{2}\). Choose the correct option \(\left( g =10\,m / s ^{2}\right)\)JEE Mains 2022 Medium