Nhiệt độ cao hơn có thể cung cấp đủ năng lượng để vượt qua rào cản năng lượng của sự chuyển vị. 393.

In Stock

Size Guide

$34.99 $29.99

Shipping and Returns Policy

... CH=CH2) , 5.5 (bs,. ArOH, D20 exchanged), 6.36 (s, 2 H, ArH); vrnax/cm-t ... 8H 1.68 (d, J = 6.3Hz, 3 H, CH3), 2.9-3.2 (m, 2 H, ArCH2) , 3.87. (s, 6 H ... Jun 25, 2015 ... The reason is that the H+ from the HBr adds to the carbon that will give the more stable carbocation. CH3CH2CH=CH2H+−−→CH3CH2+CH-CH2 ... Aug 27, 2013 ... a) CH2 = CH CH3 + HBr b) CH2 = CH CH2 CH3 + H2O c) CH3 CH = CH CH3 + H2O d) CH3 CH = CH CH3 + H2 e) CH2 = CH CH3 + Br2. CH2 CH CH3. Br. Br f ... Apr 8, 2025 ... Which of the following compound react most readily with HBr ? (1) CH2​=CH−NO2​ (2) CC=Cc1ccccc1 (3) C1=CCCCC1 (4) CH3​−CH2​−CH=CH2​ Dec 26, 2018 ... The correct option is: (d) electrophilic addition. Explanation: In this reaction, HBr undergoes heterolytic fission as HBr → H + + Br. ~~) CH3 (CH2)4 CHO (~~ CH3 CH2 CH2 CH=CH2 major product. Significantly ... HBr]) CH3CHO + H20 (19). 7S-2S00C. FORMALDEHYDE CONDENSATION REACTIONS. It is ... ... CH2-), 1.56 (3H, d, CH3-CH-), 2.26 to 2.83 (8H, -CH2-CO-), 3.0 (1H, -OH),. 4.1 (1H, m, -CHOH), 4.6 (1H, CH-NO2); IR (film) 3849,. 1709, 1559, 1116, 972, 822 ... Apr 10, 1991 ... ... HBr (48% in H20), 9- borabicyclo[3.3.1]nonane (9-BBN dimer ... CH 2CHi(CH3)CH2-), 2.40 (s, 3 protons -Ph-CI-3), 3.83 (m, 2 protons ... Mar 22, 2022 ... Sản phẩm chính của phản ứng cộng: CH2=CH-CH3+ HBr → (X). Công thức cấu tạo (X) là: A. CH3-CHBr-CH3. B. BrCH2-CH2-CH3. C. CH3=CHBr-CH3. CH3. CH2. C. CH3. CH3. CH2. CH3. 1. 2. 3. 4. 5. CH3. CH. CH2. CH3. CH3. 1. 2. 3. 4. CH3. CH. CH CH3. CH3. CH3. 1. 2. 3. 4. CH3. CH2. C. CH2. CH3. CH3. CH3. 1. 2.
  • Next Day Delivery by USPS Find out more

    Order by 9pm (excludes Public holidays)

    $11.99

  • Express Delivery - 48 Hours Find out more

    Order by 9pm (excludes Public holidays)

    $9.99

  • Standard Delivery $6.99 Find out more

    Delivered within 3 - 7 days (excludes Public holidays).

  • Store Delivery $6.99 Find out more

    Delivered to your chosen store within 3-7 days

    Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store
  • International Delivery Find out more

    International Delivery is available for this product. The cost and delivery time depend on the country.

You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.

You have 28 days to return your order from the date it’s delivered. Exclusions apply.

View our full Returns and Exchanges information.

Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.

No reviews yet. Only logged in customers who have purchased this product may leave a review.